Here is the full list of all 49 Dino Run DX achievements.
Beat Insane Halloween Hellrun
All Bronze Trophies
All Silver Trophies
All Gold Trophies
100 Fish Eaten
60 Second Doom Surf
All Super Eggs Saved
Found The Little Green Dude
500 Lizards Eaten
10 Second Boulder Ride
Beat Hard Halloween Hellrun
Complete Hard Planet D
Complete Insane Planet D
50 Fish Eaten
Complete Hard Challenge
3 Second Boulder Ride
6 Second Boulder Ride
Complete Insane Challenge
All Hard Speedruns
All Insane Speedruns
50 Dino Saved
All Medium Speedruns
Beat Medium Halloween Hellrun
25 Dino Saved
Complete Medium Planet D
500 Runners Eaten
2000 Eggs Saved
250 Lizards Eaten
10 Second Doom Surf
30 Second Doom Surf
10 Dino Saved
4X Dactyl Chain
1000 Eggs Saved
3X Dactyl Chain
50 Worms Slurped
250 Runners Eaten
50 Birds Devoured
5 Dino Saved
100 Lizards Eaten
25 Fish Eaten
2X Dactyl Chain
100 Runners Eaten
25 Worms Slurped
25 Birds Devoured
Complete Medium Challenge
250 Eggs Saved
10 Worms Slurped
1 Dino Saved
10 Birds Devoured